math
A woman was tired of being asked how old she was, so she composed the following riddle Four times two and nine times three, add that to my age and it will be, as much two tens and four, plus twice my age minus a score.December 6, 2015

math
A welder decides to make a pyramid shaped paperweight out of flat steel. the height of the pyamid is to be 3.5in and the square base has edges of 2.0in. how much sheet metal, in square inches, will he need to form the shell? to give weight, he is going to fill it with sand. ...November 15, 2015

Uniport ( physis)
A ball is thrown vertically upward with a speed v from a point h metres above the ground. What is the expression according to the time taken for the ball to strike the groundSeptember 15, 2015

Physics
A lead bullet of mass 50 grams is fired with a velocity of 200m/s into a lead block of mass 950 grams. Given that the lead block can move freely, calculate the kinetic energy after impact and the loss of energy.May 30, 2015

Psychology
Brief summary and example of these Cognitive Learning Strategies/types please? I don't have my book yet and I need these ASAP!!!!! Ex: Three-stage information processing model is which includes a short definition or description of (a) sensory-register, (b) short-term, (c) ...May 25, 2014

physics
what is the physics behind the process of administering the following 1. measurement of blood pressure using sphygmomanometer 2.giving injections 3.administering intravenous infusion 4.giving oxygen in the ward and operating theater 5. administering blood transfusion 6.sucking...March 5, 2014

Physics
A man 2m tall whose eye level is 1.84m above the ground looks at his image in a vertical mirror. If the man is to be above to see the whole of his body, determine the minimum length of the vertical mirrorFebruary 2, 2014

Art
Christo and Jeanne-Claude's "Gates", in New York's Central Park was a temporary installation, being up, and on view for only a few weeks. There is another temporary work installed in New York now. This one will be on view for a few Months. Can anybody find it...August 24, 2008